--- arp-win32.c.orig	2012-11-11 13:21:39.610997814 -0800
+++ arp-win32.c	2012-11-21 12:50:54.397999406 -0800
@@ -108,6 +108,10 @@
 		if (arp->iptable)
 			free(arp->iptable);
 		arp->iptable = malloc(len);
+		if (arp->iptable == NULL && len > 0) { 
+			perror("Unable to allocate memory for arp->iptable in function arp_loop...");
+			return (-1);
+		}
 		ret = GetIpNetTable(arp->iptable, &len, FALSE);
 		if (ret == NO_ERROR)
 			break;